The two men most responsible for delivering wins for the New England Patriots both said Thursday they have no explanation for how footballs used to reach the Super Bowl were underinflated by 2 pounds per square inch.

Denver Broncos GM John Elway is hashing out a four-year contract with Gary Kubiak to become the team’s head coach, a person with knowledge of the negotiations told The Associated Press on Sunday night.

The Oakland Raiders hired Denver defensive coordinator Jack Del Rio as their new head coach on Wednesday in hopes that the Bay Area native who grew up cheering for the Raiders can return the team to its glory days.

Denver defensive coordinator Jack Del Rio will be the first candidate to have a second interview with the Oakland Raiders for their head coaching job as the two-week search could be nearing a conclusion.